Home / 457,025.04-631,898.64-400,273.92

Finding the Fourth Proportional to 457,025.04, 631,898.64 and 400,273.92

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Solution

The fourth proportional to 457,025.04, 631,898.64 and 400,273.92 is: 553,432.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,025.04 : 631,898.64 = 400,273.92 : x
  2. Step 2: Convert to fraction form
    457,025.04/631,898.64 = 400,273.92/x
  3. Step 3: Cross multiply
    457,025.04x = 631,898.64 × 400,273.92
  4. Step 4: Simplify right side
    457,025.04x = 252,932,545,675.47
  5. Step 5: Solve for x
    x = 252,932,545,675.47/457,025.04
  6. Step 6: Final answer
    x = 553,432.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.